kamiazya
web-csv-toolbox
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CPU Simulation
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
15 hours ago
ac1c1a7
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ac1c1a7
15 hours ago
CPU Simulation
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Skipped (4)
Benchmarks
Stream approach: parseUint8ArrayStream (100KB)
benchmark/main.ts
340.9 ms
Binary approach: parseBinary (1MB)
benchmark/main.ts
377.9 ms
Concurrent: Parallel mainThread
benchmark/main.ts
51 ms
Binary approach: parseBinary (100KB)
benchmark/main.ts
36.1 ms
Binary approach: parseBinary (10KB)
benchmark/main.ts
3.7 ms
Binary approach: parseBinary (1KB)
benchmark/main.ts
463.1 µs
parseString.toArraySync(10000 cols, 10 rows, quoted)
benchmark/main.ts
446.9 ms
Custom delimiter: PSV (100 rows)
benchmark/main.ts
1.1 ms
Concurrent: Sequential mainThread
benchmark/main.ts
35.2 ms
parseString.toArraySync(50 cols, 50 rows, quoted)
benchmark/main.ts
18.6 ms
Custom delimiter: TSV (100 rows)
benchmark/main.ts
1.1 ms
Data transformation: no conversion (100 rows)
benchmark/main.ts
2.6 ms
Worker perf: small (100 rows) - mainThread
benchmark/main.ts
2.1 ms
parseString.toArraySync(100 cols, 50 rows, quoted)
benchmark/main.ts
37.3 ms
parseString.toArraySync(50 rows)
benchmark/main.ts
2.1 ms
Stream approach: parseUint8ArrayStream (1KB)
benchmark/main.ts
4.4 ms
Scaling: 5000 rows
benchmark/main.ts
175 ms
Engine comparison: mainThread (500 rows)
benchmark/main.ts
30.5 ms
Stream approach: parseUint8ArrayStream (10KB)
benchmark/main.ts
48.1 ms
Data transformation: type conversion (100 rows)
benchmark/main.ts
2.6 ms
parseString.toArraySync(50 cols, 50 rows, unquoted)
benchmark/main.ts
8.3 ms
parseString.toArraySync(100 cols, 50 rows, unquoted)
benchmark/main.ts
16.7 ms
Engine comparison: wasm (5000 rows)
benchmark/main.ts
184.2 ms
parseString.toStream(50 rows)
benchmark/main.ts
2.3 ms
parseStringStream: small (100 rows)
benchmark/main.ts
19 ms
Worker perf: medium (1000 rows) - mainThread
benchmark/main.ts
19.7 ms
parseString.toArraySync(10000 cols, 10 rows, unquoted)
benchmark/main.ts
448.5 ms
parseBinary.toArraySync(50 rows)
benchmark/main.ts
1.1 ms
Stream approach: parseUint8ArrayStream (1MB)
benchmark/main.ts
3.1 s
Worker perf: tiny (10 rows) - mainThread
benchmark/main.ts
379.5 µs
Worker perf: large (10000 rows) - mainThread
benchmark/main.ts
195.6 ms
Engine comparison: wasm (500 rows)
benchmark/main.ts
9.1 ms
parseStringStream: medium (1000 rows)
benchmark/main.ts
245.8 ms
parseBinary.toStream(50 rows)
benchmark/main.ts
2.1 ms
Field length: 10 chars (1000 rows)
benchmark/main.ts
11.5 ms
Engine comparison: mainThread (5000 rows)
benchmark/main.ts
176.1 ms
parseStringToArraySyncWASM(50 rows)
benchmark/main.ts
1.5 ms
parseString.toArraySync(10 cols, 50 rows, unquoted)
benchmark/main.ts
1.8 ms
parseString engine:stable (1000 rows)
benchmark/main.ts
18 ms
Field length: 10KB (100 rows)
benchmark/main.ts
16.7 ms
Field length: 100 chars (1000 rows)
benchmark/main.ts
13.5 ms
parseString engine:fast (50 rows)
benchmark/main.ts
1.3 ms
parseBinary.toIterableIterator(50 rows)
benchmark/main.ts
1.1 ms
Low-level: CSVLexer only (1000 rows)
benchmark/main.ts
17.6 ms
Line ending: CRLF (1000 rows)
benchmark/main.ts
17.9 ms
parseString engine:fast (1000 rows)
benchmark/main.ts
13.8 ms
Low-level: CSVLexer + CSVRecordAssembler (1000 rows)
benchmark/main.ts
28 ms
Field length: 1KB (1000 rows)
benchmark/main.ts
26.7 ms
Line ending: LF (1000 rows)
benchmark/main.ts
8.9 ms
parseString engine:stable (50 rows)
benchmark/main.ts
1.1 ms
Queuing: small (100 rows) - default HWM
benchmark/main.ts
23.9 ms
Memory: toIterableIterator (streaming)
benchmark/main.ts
27.7 ms
Quote ratio: 100% (1000 rows)
benchmark/main.ts
12.6 ms
Memory: toArraySync (allocate all at once)
benchmark/main.ts
27.5 ms
parseString.toIterableIterator(50 rows)
benchmark/main.ts
1.4 ms
Queuing: large (10000 rows) - default HWM
benchmark/main.ts
2.3 s
Quote ratio: 0% (1000 rows)
benchmark/main.ts
11.6 ms
parseString.toArraySync(10 cols, 50 rows, quoted)
benchmark/main.ts
3.7 ms
Quote ratio: 25% (1000 rows)
benchmark/main.ts
12.1 ms
Scaling: 100 rows
benchmark/main.ts
2.9 ms
Scaling: 1000 rows
benchmark/main.ts
29.5 ms
Scaling: 500 rows
benchmark/main.ts
14.9 ms
Queuing: medium (1000 rows) - default HWM
benchmark/main.ts
244.8 ms
Scaling: 50 rows
benchmark/main.ts
1.5 ms
Quote ratio: 50% (1000 rows)
benchmark/main.ts
13.2 ms
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